The Overnightscape Underground

Because it scores all cards played certain cards can be upgraded with Hiker that normally would not be due to the hand. This dual combo can act as a strong chip provider for High Card and Pair builds as one can focus on playing the same cards again and again to continuously upgrade them without caring about rank.

Madness cannot destroy itself but can destroy other copies of Madness. If there are both eternal and non-eternal Jokers present Madness will always destroy a non-eternal Joker.

Burglar is a Joker that increases your hands per round at the cost of losing all discards. This has the added benefit of increasing your income if you can beat the Blind without using all of your hands.